... for many fields 2.reasonable structure 3.have over-load ability 4.ISO9001:2008 Rotary dryerStructurer of dryer machine :Dryer also ... has the advantages of reasonable structure, excellent manufacture, high output, low energy consumption, convenient operation and so on.3. ... special scraper, avoiding the material sticking to the wall. (4) Adapting to a wide range, simple operation, less maintenance, ...